MAX98088EWY 데이터 시트보기 (PDF) - Maxim Integrated
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MAX98088EWY Datasheet PDF : 123 Pages
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MAX98088
Stereo Audio Codec
with FlexSound Technology
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPKLVDD = VSPKRVDD = 3.7V. Speaker loads (ZSPK) connected between
SPK_P and SPK_N. Receiver load (RREC) connected between RECP and RECN. Headphone loads (RHP) connected from HPL or HPR
to HPGND. Line out loads (RLOAD) connected from LOUTL or LOUTR to SPKLGND. RLOAD = RHP = J, RREC = J, ZSPK = J, CREF
= 2.2FF, CMICBIAS = CREG = 1FF, CC1N-C1P = 1FF, CHPVDD = CHPVSS = 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN
= 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB, AVADCGAIN = 0dB, AVPGAIN_ = 0dB, AVHP_ = 0dB, AVREC = 0dB, AVSPK_ = 0dB,
MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. TA = TMIN to TMAX, unless otherwise noted. Typical values are at +25NC.) (Note 1)
PARAMETER
LINE INPUT PREAMP
Full-Scale Input
Level Adjust Gain
SYMBOL
CONDITIONS
VIN
AVPGAIN_ = 0dB
AVPGAIN_ = -6dB
AVPGAIN_
TA = +25NC
(Note 5)
PGAINA/PGAINB = 0x0
PGAINA/PGAINB = 0x1
PGAINA/PGAINB = 0x2
PGAINA/PGAINB = 0x3
PGAINA/PGAINB = 0x4
MIN TYP MAX UNITS
1
1.4
VP-P
19
20
21
13
14
15
2
3
4
0
dB
-4
-3
-2
PGAINA/PGAINB = 0x5,
0x6, 0x7
-7
-6
-5
AVPGAIN_ = +20dB
AVPGAIN_ = +14dB
Input Resistance
RIN
AVPGAIN_ = +3dB
AVPGAIN_ = 0dB
AVPGAIN_ = -3dB
AVPGAIN_ = -6dB
Feedback Resistance
RIN_FB INAEXT/INBEXT = 1
TA = +25NC
TA = TMIN to TMAX
ADC LEVEL CONTROL
ADC Level Adjust Range
AVADCLVL AVL/AVR = 0xF to 0x0 (Note 5)
ADC Level Step Size
ADC Gain Adjust Range
AVADCGAIN AVLG/AVRG = 00 to 11 (Note 5)
ADC Gain Adjust Step Size
ADC DIGITAL FILTERS
VOICE MODE IIR LOWPASS FILTER (MODE1 = 0)
Passband Cutoff
Ripple limit cutoff
fPLP
-3dB cutoff
Passband Ripple
Stopband Cutoff
fSLP
f < fPLP
Stopband Attenuation
(Note 6)
f > fSLP
14.5 21
28
20
20
kI
7.5
10
14
20
20
18
20
22
kI
16
24
-12
+3
dB
1
dB
0
18
dB
6
dB
0.441 x fs
0.449 x fs
-0.1
74
Hz
+0.1 dB
0.47 x fS Hz
dB
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